Pictured: A photo of First Lightning, the first ever Soviet atomic bomb test. The United States assigned it the code-name Joe-1, in reference to Joseph Stalin. It was detonated on 29 August 1949 at ...

THE FIRST NUCLEAR reactor on earth went critical 2 billion years ago in western Africa when groundwater seeped into a rich vein of uranium ore. It controlled itself elegantly, its water moderator ...

When it comes to marking anniversaries of the atomic bomb, there are a few obvious choices. July 16, 1945, was the date of the Trinity test, the first nuclear explosion, and has been used by some as ...

The United States dropped the first nuclear bomb 80 years ago with a blast said to be brighter than a thousand suns. The millions of degrees at the center instantly evaporated so much water that a ...